42551443276 has 24 divisors (see below), whose sum is σ = 74771424000. Its totient is φ = 21188242944.

The previous prime is 42551443243. The next prime is 42551443283. The reversal of 42551443276 is 67234415524.

It is a super-2 number, since 2×42551443276² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403605 + ... + 3416083.

It is an arithmetic number, because the mean of its divisors is an integer number (3115476000).

Almost surely, 2^42551443276 is an apocalyptic number.

It is an amenable number.

42551443276 is a deficient number, since it is larger than the sum of its proper divisors (32219980724).

42551443276 is a wasteful number, since it uses less digits than its factorization.

42551443276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921 (or 15919 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The spelling of 42551443276 in words is "forty-two billion, five hundred fifty-one million, four hundred forty-three thousand, two hundred seventy-six".